2:34 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: d25ee88530253138d0b20d43511ca5acbda4e9f7
commit: 6303361147fc8984dd259b54c189592cd0551ab6 [1565/1734] fortify: Work around Clang
inlining bugs
config: arm64-allyesconfig
(https://download.01.org/0day-ci/archive/20220125/202201252321.dRmWZ8wW-lk...)
compiler: aarch64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi...
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 6303361147fc8984dd259b54c189592cd0551ab6
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir
ARCH=arm64 SHELL=/bin/bash drivers/firmware/ lib//
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/string.h:253,
from include/linux/bitmap.h:11,
from include/linux/cpumask.h:12,
from include/linux/smp.h:13,
from arch/arm64/include/asm/arch_timer.h:18,
from arch/arm64/include/asm/timex.h:8,
from include/linux/timex.h:65,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from arch/arm64/include/asm/stat.h:12,
from include/linux/stat.h:6,
from include/linux/module.h:13,
from drivers/firmware/xilinx/zynqmp-debug.c:14:
> include/linux/fortify-string.h:98:19: error: initializer element
is not constant
98 | #define strlen(p) __fortify_strlen(p,
__builtin_object_size(p, 1))
| ^~~~~~~~~~~~~~~~
drivers/firmware/xilinx/zynqmp-debug.c:32:44: note: in expansion of macro
'strlen'
32 | #define PM_API(id) {id, #id, strlen(#id)}
| ^~~~~~
drivers/firmware/xilinx/zynqmp-debug.c:34:9: note: in expansion of macro
'PM_API'
34 | PM_API(PM_GET_API_VERSION),
| ^~~~~~
include/linux/fortify-string.h:98:19: note: (near initialization for
'pm_api_list[0].api_name_len')
98 | #define strlen(p) __fortify_strlen(p, __builtin_object_size(p, 1))
| ^~~~~~~~~~~~~~~~
drivers/firmware/xilinx/zynqmp-debug.c:32:44: note: in expansion of macro
'strlen'
32 | #define PM_API(id) {id, #id, strlen(#id)}
| ^~~~~~
drivers/firmware/xilinx/zynqmp-debug.c:34:9: note: in expansion of macro
'PM_API'
34 | PM_API(PM_GET_API_VERSION),
| ^~~~~~
> include/linux/fortify-string.h:98:19: error: initializer element
is not constant
98 | #define strlen(p) __fortify_strlen(p,
__builtin_object_size(p, 1))
| ^~~~~~~~~~~~~~~~
drivers/firmware/xilinx/zynqmp-debug.c:32:44: note: in expansion of macro
'strlen'
32 | #define PM_API(id) {id, #id, strlen(#id)}
| ^~~~~~
drivers/firmware/xilinx/zynqmp-debug.c:35:9: note: in expansion of macro
'PM_API'
35 | PM_API(PM_QUERY_DATA),
| ^~~~~~
include/linux/fortify-string.h:98:19: note: (near initialization for
'pm_api_list[1].api_name_len')
98 | #define strlen(p) __fortify_strlen(p, __builtin_object_size(p, 1))
| ^~~~~~~~~~~~~~~~
drivers/firmware/xilinx/zynqmp-debug.c:32:44: note: in expansion of macro
'strlen'
32 | #define PM_API(id) {id, #id, strlen(#id)}
| ^~~~~~
drivers/firmware/xilinx/zynqmp-debug.c:35:9: note: in expansion of macro
'PM_API'
35 | PM_API(PM_QUERY_DATA),
| ^~~~~~
vim +98 include/linux/fortify-string.h
96
97 /* defined after fortified strnlen to reuse it. */
98 #define strlen(p) __fortify_strlen(p, __builtin_object_size(p, 1))
99 __FORTIFY_INLINE __kernel_size_t __fortify_strlen(const char *p, const size_t
p_size)
100 {
101 __kernel_size_t ret;
102
103 /* Give up if we don't know how large p is. */
104 if (p_size == (size_t)-1)
105 return __underlying_strlen(p);
106 ret = strnlen(p, p_size);
107 if (p_size <= ret)
108 fortify_panic(__func__);
109 return ret;
110 }
111
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org